Home / 12,625,976.08-18,911,558.24-7,753,495.92

Finding the Fourth Proportional to 12,625,976.08, 18,911,558.24 and 7,753,495.92

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Solution

The fourth proportional to 12,625,976.08, 18,911,558.24 and 7,753,495.92 is: 11,613,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625,976.08 : 18,911,558.24 = 7,753,495.92 : x
  2. Step 2: Convert to fraction form
    12,625,976.08/18,911,558.24 = 7,753,495.92/x
  3. Step 3: Cross multiply
    12,625,976.08x = 18,911,558.24 × 7,753,495.92
  4. Step 4: Simplify right side
    12,625,976.08x = 146,630,689,654,682.38
  5. Step 5: Solve for x
    x = 146,630,689,654,682.38/12,625,976.08
  6. Step 6: Final answer
    x = 11,613,414.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.